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In the alternate reality, Sector 70 (aka Qo'noS Sector) was a region of space. This sector was in sector block Omega Leonis. In this sector, Qo'noS, the Klingon homeworld and capital planet of their empire, was located in the Qo'noS system. The system was in the Beta Quadrant.
A segment of the Neutral Zone was located in this sector. In 2259, activity within the zone was being monitored by Starfleet. Results from this intelligence gathering were displayed on a galactic map, with its focus on a portion of the Alpha Quadrant, which was in a collection of graphics and video media that were seen on a powerwall in the offices of Admirals Christopher Pike and Alexander Marcus at Starfleet Headquarters.
In that same time period, Khan Noonien Singh used a portable transwarp beaming device to flee from his attack on Starfleet Headquarters in San Francisco with a long-range site-to-site transport all the way from the stolen jumpship 208 on Earth to Ketha Province on Qo'noS. (Star Trek Into Darkness)